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masya89 [10]
3 years ago
7

Please help choose one A B C or D ???

Physics
2 answers:
seraphim [82]3 years ago
8 0
I believe the answer is B

This is because in combustion reactions the products are being burned meaning heat increases. Therefore energy is transferred from the fuel to the surroundings.
LenaWriter [7]3 years ago
6 0
^^Correct!!!!!!!!!!!!
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What does the geology of the two continents indicate about past events in Earth history?
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Answer:

Explanation:

Rocks tell us a great deal about the Earth's history. Igneous rocks tell of past volcanic episodes and can also be used to age-date certain periods in the past. Sedimentary rocks often record past depositional environments (e.g deep ocean, shallow shelf, fluvial) and usually contain the most fossils from past ages.

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3 years ago
Rays traveling parallel to the principle axis of a concave mirror will reflect out through the mirrors focus?
abruzzese [7]

Answer:

True

Explanation:

When a ray travelling parallel to the principle axis of a concave mirror then the light ray reflect out through the mirrors and passing through the focus.

When a light ray travelling through focus of a concave mirror then after reflection the light ray reflect out through the mirror and  go parallel to principle axis.

Therefore, rays travelling parallel to the principle axis of a  concave mirror will reflect out through the mirrors focus.

It is true.

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Explanation:

<h3>ILY:)</h3>

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